it's exactly what osama bin laden said it was. it's more of a change. if you read the magazine if you listen to the videos and all the statements that they point out, they sent their best bombmaker in the world to run part of their organization in algeria, because algeria was the training ground from which they sent their fighters from their different fronts from all over the world. we have this sense that we want to divide all of this to say yemen is the most dangerous area. tomorrow it's algeria, then north africa, and now syria. the fact is al qaeda's ideology is what's at the core. that's why they're called the base. the base is the uniting factor. and that's really where the threat comes from. they're taking more territory and spreading their ideology, and that's what makes them dangerous. >> lara logan, good to see you. thank you. >>> and a massive pipeline explosion this morning in illinois. it happened near erie. flames shot 300 feet in the air. they could be seen for 20 miles. people in 80 homes were forced out, but most are now aloud back in t